A137007 - OEIS

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A137007

Numbers n such that n and the square of n use only the digits 1, 2, 5 and 7.

1, 5, 11, 15, 715 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Generated with DrScheme`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`715^2 = 511225`
	CROSSREFS	`Sequence in context: A136973 A137008 A137010 * A137012 A072557 A183989` `Adjacent sequences: A137004 A137005 A137006 * A137008 A137009 A137010`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.